55759620 has 48 divisors (see below), whose sum is σ = 178432128. Its totient is φ = 12744960.

The previous prime is 55759603. The next prime is 55759633. The reversal of 55759620 is 2695755.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65961 + ... + 66800.

It is an arithmetic number, because the mean of its divisors is an integer number (3717336).

Almost surely, 2^55759620 is an apocalyptic number.

It is an amenable number.

55759620 is an abundant number, since it is smaller than the sum of its proper divisors (122672508).

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

55759620 is a wasteful number, since it uses less digits than its factorization.

55759620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132780 (or 132778 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 55759620 is about 7467.2364365942. The cubic root of 55759620 is about 382.0380342784.

The spelling of 55759620 in words is "fifty-five million, seven hundred fifty-nine thousand, six hundred twenty".