55700032 has 28 divisors (see below), whose sum is σ = 112622076. Its totient is φ = 27322880.

The previous prime is 55700009. The next prime is 55700033. The reversal of 55700032 is 23000755.

It can be written as a sum of positive squares in 2 ways, for example, as 15555136 + 40144896 = 3944^2 + 6336^2 .

It is a super-3 number, since 3×55700032³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55699976 and 55700012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55700033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4819 + ... + 11602.

It is an arithmetic number, because the mean of its divisors is an integer number (4022217).

Almost surely, 2^55700032 is an apocalyptic number.

It is an amenable number.

55700032 is an abundant number, since it is smaller than the sum of its proper divisors (56922044).

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

55700032 is a wasteful number, since it uses less digits than its factorization.

55700032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16486 (or 16476 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 55700032 is about 7463.2454066579. The cubic root of 55700032 is about 381.9018963558.

Adding to 55700032 its reverse (23000755), we get a palindrome (78700787).

The spelling of 55700032 in words is "fifty-five million, seven hundred thousand, thirty-two".