55261860 has 24 divisors (see below), whose sum is σ = 154733376. Its totient is φ = 14736480.

The previous prime is 55261841. The next prime is 55261879. The reversal of 55261860 is 6816255.

55261860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55261841) and next prime (55261879).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 460456 + ... + 460575.

It is an arithmetic number, because the mean of its divisors is an integer number (6447224).

Almost surely, 2^55261860 is an apocalyptic number.

It is an amenable number.

55261860 is an abundant number, since it is smaller than the sum of its proper divisors (99471516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55261860 is a wasteful number, since it uses less digits than its factorization.

55261860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921043 (or 921041 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 55261860 is about 7433.8321207840. The cubic root of 55261860 is about 380.8978308449.

The spelling of 55261860 in words is "fifty-five million, two hundred sixty-one thousand, eight hundred sixty".