55450454 has 12 divisors (see below), whose sum is σ = 83737116. Its totient is φ = 27538992.

The previous prime is 55450429. The next prime is 55450469. The reversal of 55450454 is 45405455.

It is a super-2 number, since 2×55450454² = 6149505697612232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55450454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177002 + ... + 177314.

It is an arithmetic number, because the mean of its divisors is an integer number (6978093).

Almost surely, 2^55450454 is an apocalyptic number.

55450454 is a deficient number, since it is larger than the sum of its proper divisors (28286662).

55450454 is an equidigital number, since it uses as much as digits as its factorization.

55450454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 55450454 is about 7446.5061606098. The cubic root of 55450454 is about 381.3306397909.

The spelling of 55450454 in words is "fifty-five million, four hundred fifty thousand, four hundred fifty-four".