55100554 has 8 divisors (see below), whose sum is σ = 82740420. Its totient is φ = 27520416.

The previous prime is 55100537. The next prime is 55100557. The reversal of 55100554 is 45500155.

It can be written as a sum of positive squares in 2 ways, for example, as 49210225 + 5890329 = 7015^2 + 2427^2 .

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

It is a super-2 number, since 2×55100554² = 6072142102213832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55100557) 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, 12549 + ... + 16360.

Almost surely, 2^55100554 is an apocalyptic number.

55100554 is a deficient number, since it is larger than the sum of its proper divisors (27639866).

55100554 is a wasteful number, since it uses less digits than its factorization.

55100554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29864.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 55100554 is about 7422.9747406279. The cubic root of 55100554 is about 380.5268638188.

The spelling of 55100554 in words is "fifty-five million, one hundred thousand, five hundred fifty-four".