55536561330 has 32 divisors (see below), whose sum is σ = 133442256384. Its totient is φ = 14792582016.

The previous prime is 55536561329. The next prime is 55536561341. The reversal of 55536561330 is 3316563555.

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, 1046659 + ... + 1098438.

It is an arithmetic number, because the mean of its divisors is an integer number (4170070512).

Almost surely, 2^55536561330 is an apocalyptic number.

55536561330 is an abundant number, since it is smaller than the sum of its proper divisors (77905695054).

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

55536561330 is a wasteful number, since it uses less digits than its factorization.

55536561330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145970.

The product of its (nonzero) digits is 607500, while the sum is 42.

The spelling of 55536561330 in words is "fifty-five billion, five hundred thirty-six million, five hundred sixty-one thousand, three hundred thirty".