55707270 has 16 divisors (see below), whose sum is σ = 133697520. Its totient is φ = 14855264.

The previous prime is 55707263. The next prime is 55707277. The reversal of 55707270 is 7270755.

It is an interprime number because it is at equal distance from previous prime (55707263) and next prime (55707277).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55707277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928425 + ... + 928484.

It is an arithmetic number, because the mean of its divisors is an integer number (8356095).

Almost surely, 2^55707270 is an apocalyptic number.

55707270 is an abundant number, since it is smaller than the sum of its proper divisors (77990250).

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

55707270 is a wasteful number, since it uses less digits than its factorization.

55707270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856919.

The product of its (nonzero) digits is 17150, while the sum is 33.

The square root of 55707270 is about 7463.7303005937. The cubic root of 55707270 is about 381.9184378556.

The spelling of 55707270 in words is "fifty-five million, seven hundred seven thousand, two hundred seventy".