54820762521 has 16 divisors (see below), whose sum is σ = 83997932928. Its totient is φ = 31153075200.

The previous prime is 54820762519. The next prime is 54820762523. The reversal of 54820762521 is 12526702845.

54820762521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54820762519) and next prime (54820762523).

It is not a de Polignac number, because 54820762521 - 2¹ = 54820762519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54820762523) 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, 7207560 + ... + 7215161.

It is an arithmetic number, because the mean of its divisors is an integer number (5249870808).

Almost surely, 2^54820762521 is an apocalyptic number.

It is an amenable number.

54820762521 is a deficient number, since it is larger than the sum of its proper divisors (29177170407).

54820762521 is a wasteful number, since it uses less digits than its factorization.

54820762521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14422912.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 54820762521 in words is "fifty-four billion, eight hundred twenty million, seven hundred sixty-two thousand, five hundred twenty-one".