55543502 has 16 divisors (see below), whose sum is σ = 95649792. Its totient is φ = 23696280.

The previous prime is 55543463. The next prime is 55543529. The reversal of 55543502 is 20534555.

It is a happy number.

It is a super-2 number, since 2×55543502² = 6170161228848008, which contains 22 as substring.

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, 5774 + ... + 12017.

It is an arithmetic number, because the mean of its divisors is an integer number (5978112).

Almost surely, 2^55543502 is an apocalyptic number.

55543502 is a deficient number, since it is larger than the sum of its proper divisors (40106290).

55543502 is a wasteful number, since it uses less digits than its factorization.

55543502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18023.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 55543502 is about 7452.7513040487. The cubic root of 55543502 is about 381.5438164350.

The spelling of 55543502 in words is "fifty-five million, five hundred forty-three thousand, five hundred two".