55869751 has 12 divisors (see below), whose sum is σ = 65295552. Its totient is φ = 47664288.

The previous prime is 55869739. The next prime is 55869763. The reversal of 55869751 is 15796855.

It is an interprime number because it is at equal distance from previous prime (55869739) and next prime (55869763).

It is not a de Polignac number, because 55869751 - 2⁹ = 55869239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55869721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8371 + ... + 13483.

It is an arithmetic number, because the mean of its divisors is an integer number (5441296).

Almost surely, 2^55869751 is an apocalyptic number.

55869751 is a deficient number, since it is larger than the sum of its proper divisors (9425801).

55869751 is a wasteful number, since it uses less digits than its factorization.

55869751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350 (or 5343 counting only the distinct ones).

The product of its digits is 378000, while the sum is 46.

The square root of 55869751 is about 7474.6070799742. The cubic root of 55869751 is about 382.2893903720.

The spelling of 55869751 in words is "fifty-five million, eight hundred sixty-nine thousand, seven hundred fifty-one".