53136551 has 16 divisors (see below), whose sum is σ = 59767008. Its totient is φ = 46915200.

The previous prime is 53136547. The next prime is 53136557. The reversal of 53136551 is 15563135.

It is a cyclic number.

It is not a de Polignac number, because 53136551 - 2² = 53136547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53136557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28436 + ... + 30246.

It is an arithmetic number, because the mean of its divisors is an integer number (3735438).

Almost surely, 2^53136551 is an apocalyptic number.

53136551 is a deficient number, since it is larger than the sum of its proper divisors (6630457).

53136551 is a wasteful number, since it uses less digits than its factorization.

53136551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922.

The product of its digits is 6750, while the sum is 29.

The square root of 53136551 is about 7289.4822175515. The cubic root of 53136551 is about 375.9508928435.

Adding to 53136551 its reverse (15563135), we get a palindrome (68699686).

The spelling of 53136551 in words is "fifty-three million, one hundred thirty-six thousand, five hundred fifty-one".