54697338780 has 192 divisors, whose sum is σ = 181977062400. Its totient is φ = 12266112768.

The previous prime is 54697338769. The next prime is 54697338793. The reversal of 54697338780 is 8783379645.

It is a super-2 number, since 2×54697338780² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1065667 + ... + 1115813.

It is an arithmetic number, because the mean of its divisors is an integer number (947797200).

Almost surely, 2^54697338780 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 54697338780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90988531200).

54697338780 is an abundant number, since it is smaller than the sum of its proper divisors (127279723620).

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

54697338780 is a wasteful number, since it uses less digits than its factorization.

54697338780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50233 (or 50217 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 54697338780 in words is "fifty-four billion, six hundred ninety-seven million, three hundred thirty-eight thousand, seven hundred eighty".