55425738 has 16 divisors (see below), whose sum is σ = 111113856. Its totient is φ = 18431520.

The previous prime is 55425719. The next prime is 55425743. The reversal of 55425738 is 83752455.

It is a junction number, because it is equal to n+sod(n) for n = 55425696 and 55425705.

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, 8131 + ... + 13302.

It is an arithmetic number, because the mean of its divisors is an integer number (6944616).

Almost surely, 2^55425738 is an apocalyptic number.

55425738 is an abundant number, since it is smaller than the sum of its proper divisors (55688118).

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

55425738 is a wasteful number, since it uses less digits than its factorization.

55425738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21869.

The product of its digits is 168000, while the sum is 39.

The square root of 55425738 is about 7444.8464054002. The cubic root of 55425738 is about 381.2739743770.

The spelling of 55425738 in words is "fifty-five million, four hundred twenty-five thousand, seven hundred thirty-eight".