55351651 has 4 divisors (see below), whose sum is σ = 55630000. Its totient is φ = 55073304.

The previous prime is 55351631. The next prime is 55351657. The reversal of 55351651 is 15615355.

55351651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55351651 - 2⁵ = 55351619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55351657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138876 + ... + 139273.

It is an arithmetic number, because the mean of its divisors is an integer number (13907500).

Almost surely, 2^55351651 is an apocalyptic number.

55351651 is a deficient number, since it is larger than the sum of its proper divisors (278349).

55351651 is a wasteful number, since it uses less digits than its factorization.

55351651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278348.

The product of its digits is 11250, while the sum is 31.

The square root of 55351651 is about 7439.8690176642. The cubic root of 55351651 is about 381.1040169930.

The spelling of 55351651 in words is "fifty-five million, three hundred fifty-one thousand, six hundred fifty-one".