55751442 has 32 divisors (see below), whose sum is σ = 114307200. Its totient is φ = 18120960.

The previous prime is 55751441. The next prime is 55751459. The reversal of 55751442 is 24415755.

It is not an unprimeable number, because it can be changed into a prime (55751441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62842 + ... + 63722.

It is an arithmetic number, because the mean of its divisors is an integer number (3572100).

Almost surely, 2^55751442 is an apocalyptic number.

55751442 is an abundant number, since it is smaller than the sum of its proper divisors (58555758).

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

55751442 is a wasteful number, since it uses less digits than its factorization.

55751442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its digits is 28000, while the sum is 33.

The square root of 55751442 is about 7466.6888243719. The cubic root of 55751442 is about 382.0193561275.

The spelling of 55751442 in words is "fifty-five million, seven hundred fifty-one thousand, four hundred forty-two".