55542708 has 36 divisors (see below), whose sum is σ = 151200868. Its totient is φ = 17089920.

The previous prime is 55542703. The next prime is 55542709. The reversal of 55542708 is 80724555.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7683984 + 47858724 = 2772^2 + 6918^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55542701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58873 + ... + 59808.

Almost surely, 2^55542708 is an apocalyptic number.

It is an amenable number.

55542708 is an abundant number, since it is smaller than the sum of its proper divisors (95658160).

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

55542708 is a wasteful number, since it uses less digits than its factorization.

55542708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118704 (or 118699 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 55542708 is about 7452.6980349401. The cubic root of 55542708 is about 381.5419983571.

The spelling of 55542708 in words is "fifty-five million, five hundred forty-two thousand, seven hundred eight".