53402554 has 4 divisors (see below), whose sum is σ = 80103834. Its totient is φ = 26701276.

The previous prime is 53402539. The next prime is 53402561. The reversal of 53402554 is 45520435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45520435 = 5 ⋅9104087.

It can be written as a sum of positive squares in only one way, i.e., 31528225 + 21874329 = 5615^2 + 4677^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13350637 + ... + 13350640.

Almost surely, 2^53402554 is an apocalyptic number.

53402554 is a deficient number, since it is larger than the sum of its proper divisors (26701280).

53402554 is a wasteful number, since it uses less digits than its factorization.

53402554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26701279.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 53402554 is about 7307.7051117297. The cubic root of 53402554 is about 376.5771890036.

Adding to 53402554 its reverse (45520435), we get a palindrome (98922989).

It can be divided in two parts, 53402 and 554, that added together give a triangular number (53956 = T₃₂₈).

The spelling of 53402554 in words is "fifty-three million, four hundred two thousand, five hundred fifty-four".