55602554 has 24 divisors (see below), whose sum is σ = 97898868. Its totient is φ = 23614080.

The previous prime is 55602511. The next prime is 55602559. The reversal of 55602554 is 45520655.

It can be written as a sum of positive squares in 2 ways, for example, as 55160329 + 442225 = 7427^2 + 665^2 .

It is a super-2 number, since 2×55602554² = 6183288022645832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55602554.

It is not an unprimeable number, because it can be changed into a prime (55602559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8564 + ... + 13584.

Almost surely, 2^55602554 is an apocalyptic number.

55602554 is a deficient number, since it is larger than the sum of its proper divisors (42296314).

55602554 is a wasteful number, since it uses less digits than its factorization.

55602554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150 (or 5143 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 55602554 is about 7456.7120099948. The cubic root of 55602554 is about 381.6789834341.

The spelling of 55602554 in words is "fifty-five million, six hundred two thousand, five hundred fifty-four".