55237402 has 16 divisors (see below), whose sum is σ = 93506400. Its totient is φ = 24241840.

The previous prime is 55237387. The next prime is 55237417. The reversal of 55237402 is 20473255.

It is an interprime number because it is at equal distance from previous prime (55237387) and next prime (55237417).

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, 42652 + ... + 43927.

It is an arithmetic number, because the mean of its divisors is an integer number (5844150).

Almost surely, 2^55237402 is an apocalyptic number.

55237402 is a deficient number, since it is larger than the sum of its proper divisors (38268998).

55237402 is a wasteful number, since it uses less digits than its factorization.

55237402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86621.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 55237402 is about 7432.1868921603. The cubic root of 55237402 is about 380.8416294922.

The spelling of 55237402 in words is "fifty-five million, two hundred thirty-seven thousand, four hundred two".