55375760 has 40 divisors (see below), whose sum is σ = 140455296. Its totient is φ = 20136320.

The previous prime is 55375759. The next prime is 55375769. The reversal of 55375760 is 6757355.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (55375769) 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, 30584 + ... + 32343.

Almost surely, 2^55375760 is an apocalyptic number.

It is an amenable number.

55375760 is an abundant number, since it is smaller than the sum of its proper divisors (85079536).

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

55375760 is a wasteful number, since it uses less digits than its factorization.

55375760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62951 (or 62945 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 55375760 is about 7441.4890982921. The cubic root of 55375760 is about 381.1593402635.

The spelling of 55375760 in words is "fifty-five million, three hundred seventy-five thousand, seven hundred sixty".