53616554 has 4 divisors (see below), whose sum is σ = 80424834. Its totient is φ = 26808276.

The previous prime is 53616539. The next prime is 53616583. The reversal of 53616554 is 45561635.

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., 37027225 + 16589329 = 6085^2 + 4073^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13404137 + ... + 13404140.

Almost surely, 2^53616554 is an apocalyptic number.

53616554 is a deficient number, since it is larger than the sum of its proper divisors (26808280).

53616554 is a wasteful number, since it uses less digits than its factorization.

53616554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26808279.

The product of its digits is 54000, while the sum is 35.

The square root of 53616554 is about 7322.3325518580. The cubic root of 53616554 is about 377.0795377076.

The spelling of 53616554 in words is "fifty-three million, six hundred sixteen thousand, five hundred fifty-four".