55142360 has 64 divisors (see below), whose sum is σ = 152712000. Its totient is φ = 17450496.

The previous prime is 55142357. The next prime is 55142387. The reversal of 55142360 is 6324155.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 3935 + ... + 11214.

It is an arithmetic number, because the mean of its divisors is an integer number (2386125).

Almost surely, 2^55142360 is an apocalyptic number.

It is an amenable number.

55142360 is an abundant number, since it is smaller than the sum of its proper divisors (97569640).

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

55142360 is a wasteful number, since it uses less digits than its factorization.

55142360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15180 (or 15176 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 55142360 is about 7425.7901936427. The cubic root of 55142360 is about 380.6230775183.

The spelling of 55142360 in words is "fifty-five million, one hundred forty-two thousand, three hundred sixty".