55735057 has 4 divisors (see below), whose sum is σ = 63697216. Its totient is φ = 47772900.

The previous prime is 55735021. The next prime is 55735067. The reversal of 55735057 is 75053755.

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 not a de Polignac number, because 55735057 - 2¹⁹ = 55210769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55735067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3981069 + ... + 3981082.

It is an arithmetic number, because the mean of its divisors is an integer number (15924304).

Almost surely, 2^55735057 is an apocalyptic number.

It is an amenable number.

55735057 is a deficient number, since it is larger than the sum of its proper divisors (7962159).

55735057 is an equidigital number, since it uses as much as digits as its factorization.

55735057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7962158.

The product of its (nonzero) digits is 91875, while the sum is 37.

The square root of 55735057 is about 7465.5915371791. The cubic root of 55735057 is about 381.9819280944.

The spelling of 55735057 in words is "fifty-five million, seven hundred thirty-five thousand, fifty-seven".