55869051 has 32 divisors (see below), whose sum is σ = 88704000. Its totient is φ = 30602880.

The previous prime is 55869029. The next prime is 55869067. The reversal of 55869051 is 15096855.

It is not a de Polignac number, because 55869051 - 2¹⁸ = 55606907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55869071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120961 + ... + 121421.

It is an arithmetic number, because the mean of its divisors is an integer number (2772000).

Almost surely, 2^55869051 is an apocalyptic number.

55869051 is a deficient number, since it is larger than the sum of its proper divisors (32834949).

55869051 is a wasteful number, since it uses less digits than its factorization.

55869051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 55869051 is about 7474.5602546237. The cubic root of 55869051 is about 382.2877937794.

The spelling of 55869051 in words is "fifty-five million, eight hundred sixty-nine thousand, fifty-one".