55601516 has 6 divisors (see below), whose sum is σ = 97302660. Its totient is φ = 27800756.

The previous prime is 55601479. The next prime is 55601531. The reversal of 55601516 is 61510655.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6950186 + ... + 6950193.

It is an arithmetic number, because the mean of its divisors is an integer number (16217110).

Almost surely, 2^55601516 is an apocalyptic number.

It is an amenable number.

55601516 is a deficient number, since it is larger than the sum of its proper divisors (41701144).

55601516 is a wasteful number, since it uses less digits than its factorization.

55601516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13900383 (or 13900381 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 55601516 is about 7456.6424079474. The cubic root of 55601516 is about 381.6766083319.

The spelling of 55601516 in words is "fifty-five million, six hundred one thousand, five hundred sixteen".