55859740 has 12 divisors (see below), whose sum is σ = 117305496. Its totient is φ = 22343888.

The previous prime is 55859729. The next prime is 55859743. The reversal of 55859740 is 4795855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55859743) 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, 1396474 + ... + 1396513.

It is an arithmetic number, because the mean of its divisors is an integer number (9775458).

Almost surely, 2^55859740 is an apocalyptic number.

It is an amenable number.

55859740 is an abundant number, since it is smaller than the sum of its proper divisors (61445756).

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

55859740 is a wasteful number, since it uses less digits than its factorization.

55859740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792996 (or 2792994 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The square root of 55859740 is about 7473.9373826652. The cubic root of 55859740 is about 382.2665555486.

The spelling of 55859740 in words is "fifty-five million, eight hundred fifty-nine thousand, seven hundred forty".