55651424 has 24 divisors (see below), whose sum is σ = 109793880. Its totient is φ = 27767296.

The previous prime is 55651423. The next prime is 55651429. The reversal of 55651424 is 42415655.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55651423) 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, 16472 + ... + 19560.

It is an arithmetic number, because the mean of its divisors is an integer number (4574745).

Almost surely, 2^55651424 is an apocalyptic number.

It is an amenable number.

55651424 is a deficient number, since it is larger than the sum of its proper divisors (54142456).

55651424 is a wasteful number, since it uses less digits than its factorization.

55651424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3662 (or 3654 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 55651424 is about 7459.9882037440. The cubic root of 55651424 is about 381.7907720034.

The spelling of 55651424 in words is "fifty-five million, six hundred fifty-one thousand, four hundred twenty-four".