55401622 has 8 divisors (see below), whose sum is σ = 83201976. Its totient is φ = 27667632.

The previous prime is 55401601. The next prime is 55401667. The reversal of 55401622 is 22610455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14448 + ... + 17875.

It is an arithmetic number, because the mean of its divisors is an integer number (10400247).

Almost surely, 2^55401622 is an apocalyptic number.

55401622 is a deficient number, since it is larger than the sum of its proper divisors (27800354).

55401622 is a wasteful number, since it uses less digits than its factorization.

55401622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33182.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 55401622 is about 7443.2265852922. The cubic root of 55401622 is about 381.2186683201.

The spelling of 55401622 in words is "fifty-five million, four hundred one thousand, six hundred twenty-two".