55376505 has 24 divisors (see below), whose sum is σ = 97423872. Its totient is φ = 29091744.

The previous prime is 55376501. The next prime is 55376513. The reversal of 55376505 is 50567355.

It is not a de Polignac number, because 55376505 - 2² = 55376501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55376505.

It is not an unprimeable number, because it can be changed into a prime (55376501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6169 + ... + 12198.

It is an arithmetic number, because the mean of its divisors is an integer number (4059328).

Almost surely, 2^55376505 is an apocalyptic number.

It is an amenable number.

55376505 is a deficient number, since it is larger than the sum of its proper divisors (42047367).

55376505 is a wasteful number, since it uses less digits than its factorization.

55376505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18445 (or 18442 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 55376505 is about 7441.5391553092. The cubic root of 55376505 is about 381.1610495700.

The spelling of 55376505 in words is "fifty-five million, three hundred seventy-six thousand, five hundred five".