55700641 has 4 divisors (see below), whose sum is σ = 58122432. Its totient is φ = 53278852.

The previous prime is 55700639. The next prime is 55700681. The reversal of 55700641 is 14600755.

55700641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55700641 - 2¹ = 55700639 is a prime.

It is a super-2 number, since 2×55700641² = 6205122815621762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55700611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210861 + ... + 1210906.

It is an arithmetic number, because the mean of its divisors is an integer number (14530608).

Almost surely, 2^55700641 is an apocalyptic number.

It is an amenable number.

55700641 is a deficient number, since it is larger than the sum of its proper divisors (2421791).

55700641 is a wasteful number, since it uses less digits than its factorization.

55700641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421790.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 55700641 is about 7463.2862064911. The cubic root of 55700641 is about 381.9032882006.

The spelling of 55700641 in words is "fifty-five million, seven hundred thousand, six hundred forty-one".