55351455 has 32 divisors (see below), whose sum is σ = 93574656. Its totient is φ = 27882624.

The previous prime is 55351441. The next prime is 55351463. The reversal of 55351455 is 55415355.

55351455 = 138² + 139² + ... + 552².

It is not a de Polignac number, because 55351455 - 2⁵ = 55351423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27669 + ... + 29601.

It is an arithmetic number, because the mean of its divisors is an integer number (2924208).

Almost surely, 2^55351455 is an apocalyptic number.

55351455 is a deficient number, since it is larger than the sum of its proper divisors (38223201).

55351455 is a wasteful number, since it uses less digits than its factorization.

55351455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047.

The product of its digits is 37500, while the sum is 33.

The square root of 55351455 is about 7439.8558453777. The cubic root of 55351455 is about 381.1035671631.

The spelling of 55351455 in words is "fifty-five million, three hundred fifty-one thousand, four hundred fifty-five".