55405962 has 12 divisors (see below), whose sum is σ = 120046290. Its totient is φ = 18468648.

The previous prime is 55405949. The next prime is 55405963. The reversal of 55405962 is 26950455.

55405962 is a `hidden beast` number, since 5 + 540 + 59 + 62 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43441281 + 11964681 = 6591^2 + 3459^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55405963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1539037 + ... + 1539072.

Almost surely, 2^55405962 is an apocalyptic number.

55405962 is an abundant number, since it is smaller than the sum of its proper divisors (64640328).

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

55405962 is a wasteful number, since it uses less digits than its factorization.

55405962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078117 (or 3078114 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 55405962 is about 7443.5181198140. The cubic root of 55405962 is about 381.2286225763.

The spelling of 55405962 in words is "fifty-five million, four hundred five thousand, nine hundred sixty-two".