55451355 has 16 divisors (see below), whose sum is σ = 89973504. Its totient is φ = 29156960.

The previous prime is 55451353. The next prime is 55451369. The reversal of 55451355 is 55315455.

It is not a de Polignac number, because 55451355 - 2¹ = 55451353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55451353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24969 + ... + 27098.

It is an arithmetic number, because the mean of its divisors is an integer number (5623344).

Almost surely, 2^55451355 is an apocalyptic number.

55451355 is a deficient number, since it is larger than the sum of its proper divisors (34522149).

55451355 is a wasteful number, since it uses less digits than its factorization.

55451355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52146.

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

The square root of 55451355 is about 7446.5666585347. The cubic root of 55451355 is about 381.3327051605.

The spelling of 55451355 in words is "fifty-five million, four hundred fifty-one thousand, three hundred fifty-five".