55540662 has 8 divisors (see below), whose sum is σ = 111081336. Its totient is φ = 18513552.

The previous prime is 55540651. The next prime is 55540703. The reversal of 55540662 is 26604555.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

55540662 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4628383 + ... + 4628394.

It is an arithmetic number, because the mean of its divisors is an integer number (13885167).

Almost surely, 2^55540662 is an apocalyptic number.

55540662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55540662 is a wasteful number, since it uses less digits than its factorization.

55540662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256782.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 55540662 is about 7452.5607679508. The cubic root of 55540662 is about 381.5373134066.

The spelling of 55540662 in words is "fifty-five million, five hundred forty thousand, six hundred sixty-two".