55098624 has 144 divisors (see below), whose sum is σ = 172742528. Its totient is φ = 15261696.

The previous prime is 55098623. The next prime is 55098643. The reversal of 55098624 is 42689055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55098623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198774 + ... + 199050.

Almost surely, 2^55098624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55098624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86371264).

55098624 is an abundant number, since it is smaller than the sum of its proper divisors (117643904).

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

55098624 is a wasteful number, since it uses less digits than its factorization.

55098624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 55098624 is about 7422.8447377000. The cubic root of 55098624 is about 380.5224208784.

The spelling of 55098624 in words is "fifty-five million, ninety-eight thousand, six hundred twenty-four".