54251498402 has 4 divisors (see below), whose sum is σ = 81377247606. Its totient is φ = 27125749200.

The previous prime is 54251498383. The next prime is 54251498429. The reversal of 54251498402 is 20489415245.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38855900161 + 15395598241 = 197119^2 + 124079^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13562874599 + ... + 13562874602.

Almost surely, 2^54251498402 is an apocalyptic number.

54251498402 is a deficient number, since it is larger than the sum of its proper divisors (27125749204).

54251498402 is a wasteful number, since it uses less digits than its factorization.

54251498402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27125749203.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 54251498402 in words is "fifty-four billion, two hundred fifty-one million, four hundred ninety-eight thousand, four hundred two".