55455534 has 48 divisors (see below), whose sum is σ = 124107984. Its totient is φ = 17884800.

The previous prime is 55455487. The next prime is 55455539. The reversal of 55455534 is 43555455.

55455534 is a `hidden beast` number, since 554 + 55 + 53 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55455539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120064 + ... + 120524.

It is an arithmetic number, because the mean of its divisors is an integer number (2585583).

Almost surely, 2^55455534 is an apocalyptic number.

55455534 is an abundant number, since it is smaller than the sum of its proper divisors (68652450).

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

55455534 is a wasteful number, since it uses less digits than its factorization.

55455534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 670 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 55455534 is about 7446.8472523612. The cubic root of 55455534 is about 381.3422844235.

The spelling of 55455534 in words is "fifty-five million, four hundred fifty-five thousand, five hundred thirty-four".