61626053 has 4 divisors (see below), whose sum is σ = 63291660. Its totient is φ = 59960448.

The previous prime is 61626049. The next prime is 61626077. The reversal of 61626053 is 35062616.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36204289 + 25421764 = 6017^2 + 5042^2 .

It is a cyclic number.

It is not a de Polignac number, because 61626053 - 2² = 61626049 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 (61626023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832748 + ... + 832821.

It is an arithmetic number, because the mean of its divisors is an integer number (15822915).

Almost surely, 2^61626053 is an apocalyptic number.

It is an amenable number.

61626053 is a deficient number, since it is larger than the sum of its proper divisors (1665607).

61626053 is a wasteful number, since it uses less digits than its factorization.

61626053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665606.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 61626053 is about 7850.2263024705. The cubic root of 61626053 is about 394.9918344731.

Adding to 61626053 its reverse (35062616), we get a palindrome (96688669).

The spelling of 61626053 in words is "sixty-one million, six hundred twenty-six thousand, fifty-three".