55025454 has 16 divisors (see below), whose sum is σ = 120055680. Its totient is φ = 16674360.

The previous prime is 55025437. The next prime is 55025479. The reversal of 55025454 is 45452055.

It is a super-2 number, since 2×55025454² = 6055601175812232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416794 + ... + 416925.

It is an arithmetic number, because the mean of its divisors is an integer number (7503480).

Almost surely, 2^55025454 is an apocalyptic number.

55025454 is an abundant number, since it is smaller than the sum of its proper divisors (65030226).

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

55025454 is a wasteful number, since it uses less digits than its factorization.

55025454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833735.

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 55025454 is about 7417.9143969178. The cubic root of 55025454 is about 380.3539039081.

The spelling of 55025454 in words is "fifty-five million, twenty-five thousand, four hundred fifty-four".