61356053 has 4 divisors (see below), whose sum is σ = 66933888. Its totient is φ = 55778220.

The previous prime is 61356041. The next prime is 61356079. The reversal of 61356053 is 35065316.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61356053 - 2¹⁸ = 61093909 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 (61356653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2788901 + ... + 2788922.

It is an arithmetic number, because the mean of its divisors is an integer number (16733472).

Almost surely, 2^61356053 is an apocalyptic number.

It is an amenable number.

61356053 is a deficient number, since it is larger than the sum of its proper divisors (5577835).

61356053 is a wasteful number, since it uses less digits than its factorization.

61356053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577834.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 61356053 is about 7833.0104685236. The cubic root of 61356053 is about 394.4141354804.

It can be divided in two parts, 6 and 1356053, that multiplied together give a palindrome (8136318).

The spelling of 61356053 in words is "sixty-one million, three hundred fifty-six thousand, fifty-three".