52021354 has 64 divisors (see below), whose sum is σ = 106997760. Its totient is φ = 18342720.

The previous prime is 52021313. The next prime is 52021369. The reversal of 52021354 is 45312025.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66912 + ... + 67684.

It is an arithmetic number, because the mean of its divisors is an integer number (1671840).

Almost surely, 2^52021354 is an apocalyptic number.

52021354 is an abundant number, since it is smaller than the sum of its proper divisors (54976406).

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

52021354 is a wasteful number, since it uses less digits than its factorization.

52021354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 52021354 is about 7212.5830324510. The cubic root of 52021354 is about 373.3022010250.

Adding to 52021354 its reverse (45312025), we get a palindrome (97333379).

It can be divided in two parts, 5202 and 1354, that added together give a palindrome (6556).

The spelling of 52021354 in words is "fifty-two million, twenty-one thousand, three hundred fifty-four".