55546554 has 32 divisors (see below), whose sum is σ = 130064256. Its totient is φ = 15482880.

The previous prime is 55546537. The next prime is 55546577. The reversal of 55546554 is 45564555.

It is a happy number.

It is a super-2 number, since 2×55546554² = 6170839322549832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14407 + ... + 17850.

It is an arithmetic number, because the mean of its divisors is an integer number (4064508).

Almost surely, 2^55546554 is an apocalyptic number.

55546554 is an abundant number, since it is smaller than the sum of its proper divisors (74517702).

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

55546554 is a wasteful number, since it uses less digits than its factorization.

55546554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32310.

The product of its digits is 300000, while the sum is 39.

The square root of 55546554 is about 7452.9560578337. The cubic root of 55546554 is about 381.5508046536.

The spelling of 55546554 in words is "fifty-five million, five hundred forty-six thousand, five hundred fifty-four".