53370216 has 24 divisors (see below), whose sum is σ = 144544530. Its totient is φ = 17790048.

The previous prime is 53370211. The next prime is 53370223. The reversal of 53370216 is 61207335.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 46867716 + 6502500 = 6846^2 + 2550^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 53370216.

It is not an unprimeable number, because it can be changed into a prime (53370211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370555 + ... + 370698.

Almost surely, 2^53370216 is an apocalyptic number.

It is an amenable number.

53370216 is an abundant number, since it is smaller than the sum of its proper divisors (91174314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53370216 is a wasteful number, since it uses less digits than its factorization.

53370216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741265 (or 741258 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 53370216 is about 7305.4921805447. The cubic root of 53370216 is about 376.5011613536.

The spelling of 53370216 in words is "fifty-three million, three hundred seventy thousand, two hundred sixteen".