54270722787 has 32 divisors (see below), whose sum is σ = 75150981120. Its totient is φ = 34800192000.

The previous prime is 54270722783. The next prime is 54270722791. The reversal of 54270722787 is 78722707245.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54270722783) and next prime (54270722791).

It is not a de Polignac number, because 54270722787 - 2² = 54270722783 is a prime.

It is a super-2 number, since 2×54270722787² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54270722783) 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, 19798237 + ... + 19800977.

It is an arithmetic number, because the mean of its divisors is an integer number (2348468160).

Almost surely, 2^54270722787 is an apocalyptic number.

54270722787 is a deficient number, since it is larger than the sum of its proper divisors (20880258333).

54270722787 is a wasteful number, since it uses less digits than its factorization.

54270722787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995.

The product of its (nonzero) digits is 3073280, while the sum is 51.

The spelling of 54270722787 in words is "fifty-four billion, two hundred seventy million, seven hundred twenty-two thousand, seven hundred eighty-seven".