55461751 has 4 divisors (see below), whose sum is σ = 55485000. Its totient is φ = 55438504.

The previous prime is 55461737. The next prime is 55461761. The reversal of 55461751 is 15716455.

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 55461751 - 2¹⁵ = 55428983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55461761) 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, 7576 + ... + 12973.

It is an arithmetic number, because the mean of its divisors is an integer number (13871250).

Almost surely, 2^55461751 is an apocalyptic number.

55461751 is a deficient number, since it is larger than the sum of its proper divisors (23249).

55461751 is a wasteful number, since it uses less digits than its factorization.

55461751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23248.

The product of its digits is 21000, while the sum is 34.

The square root of 55461751 is about 7447.2646656340. The cubic root of 55461751 is about 381.3565343773.

The spelling of 55461751 in words is "fifty-five million, four hundred sixty-one thousand, seven hundred fifty-one".