55151626 has 8 divisors (see below), whose sum is σ = 83042784. Its totient is φ = 27470700.

The previous prime is 55151599. The next prime is 55151627. The reversal of 55151626 is 62615155.

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

It is not an unprimeable number, because it can be changed into a prime (55151627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51900 + ... + 52951.

It is an arithmetic number, because the mean of its divisors is an integer number (10380348).

Almost surely, 2^55151626 is an apocalyptic number.

55151626 is a deficient number, since it is larger than the sum of its proper divisors (27891158).

55151626 is a wasteful number, since it uses less digits than its factorization.

55151626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105116.

The product of its digits is 9000, while the sum is 31.

The square root of 55151626 is about 7426.4140741006. The cubic root of 55151626 is about 380.6443960105.

The spelling of 55151626 in words is "fifty-five million, one hundred fifty-one thousand, six hundred twenty-six".