54820766 has 64 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 19474560.

The previous prime is 54820763. The next prime is 54820771. The reversal of 54820766 is 66702845.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54820763) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278180 + ... + 278376.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360).

Almost surely, 2^54820766 is an apocalyptic number.

54820766 is an abundant number, since it is smaller than the sum of its proper divisors (56946274).

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

54820766 is a wasteful number, since it uses less digits than its factorization.

54820766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 54820766 is about 7404.1046724098. The cubic root of 54820766 is about 379.8816944737.

The spelling of 54820766 in words is "fifty-four million, eight hundred twenty thousand, seven hundred sixty-six".