53490794278 has 8 divisors (see below), whose sum is σ = 84459148920. Its totient is φ = 25337744640.

The previous prime is 53490794251. The next prime is 53490794281. The reversal of 53490794278 is 87249709435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53490794278² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 703826203 + ... + 703826278.

It is an arithmetic number, because the mean of its divisors is an integer number (10557393615).

Almost surely, 2^53490794278 is an apocalyptic number.

53490794278 is a deficient number, since it is larger than the sum of its proper divisors (30968354642).

53490794278 is a wasteful number, since it uses less digits than its factorization.

53490794278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407652502.

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 53490794278 in words is "fifty-three billion, four hundred ninety million, seven hundred ninety-four thousand, two hundred seventy-eight".