30977000054 has 32 divisors (see below), whose sum is σ = 62387248896. Its totient is φ = 11140578720.

The previous prime is 30976999987. The next prime is 30977000069. The reversal of 30977000054 is 45000077903.

It is a junction number, because it is equal to n+sod(n) for n = 30976999978 and 30977000023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7734512 + ... + 7738515.

It is an arithmetic number, because the mean of its divisors is an integer number (1949601528).

Almost surely, 2^30977000054 is an apocalyptic number.

30977000054 is an abundant number, since it is smaller than the sum of its proper divisors (31410248842).

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

30977000054 is a wasteful number, since it uses less digits than its factorization.

30977000054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15473060.

The product of its (nonzero) digits is 26460, while the sum is 35.

Adding to 30977000054 its reverse (45000077903), we get a palindrome (75977077957).

The spelling of 30977000054 in words is "thirty billion, nine hundred seventy-seven million, fifty-four", and thus it is an aban number.