55403651 has 8 divisors (see below), whose sum is σ = 57257904. Its totient is φ = 53575200.

The previous prime is 55403633. The next prime is 55403653. The reversal of 55403651 is 15630455.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55403651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55403653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036 + ... + 10721.

It is an arithmetic number, because the mean of its divisors is an integer number (7157238).

Almost surely, 2^55403651 is an apocalyptic number.

55403651 is a deficient number, since it is larger than the sum of its proper divisors (1854253).

55403651 is a wasteful number, since it uses less digits than its factorization.

55403651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12901.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55403651 is about 7443.3628824611. The cubic root of 55403651 is about 381.2233221143.

The spelling of 55403651 in words is "fifty-five million, four hundred three thousand, six hundred fifty-one".