54981551502 has 24 divisors (see below), whose sum is σ = 119142013536. Its totient is φ = 18324827136.

The previous prime is 54981551461. The next prime is 54981551503. The reversal of 54981551502 is 20515518945.

54981551502 is a `hidden beast` number, since 5 + 4 + 98 + 1 + 5 + 51 + 502 = 666.

It is a super-3 number, since 3×54981551502³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54981551503) 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, 49558 + ... + 335289.

It is an arithmetic number, because the mean of its divisors is an integer number (4964250564).

Almost surely, 2^54981551502 is an apocalyptic number.

54981551502 is an abundant number, since it is smaller than the sum of its proper divisors (64160462034).

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

54981551502 is a wasteful number, since it uses less digits than its factorization.

54981551502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392792 (or 392789 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 45.

The spelling of 54981551502 in words is "fifty-four billion, nine hundred eighty-one million, five hundred fifty-one thousand, five hundred two".