61532053 has 8 divisors (see below), whose sum is σ = 67185216. Its totient is φ = 55888800.

The previous prime is 61532041. The next prime is 61532057. The reversal of 61532053 is 35023516.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61532053 - 2⁹ = 61531541 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 (61532057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17688 + ... + 20878.

It is an arithmetic number, because the mean of its divisors is an integer number (8398152).

Almost surely, 2^61532053 is an apocalyptic number.

It is an amenable number.

61532053 is a deficient number, since it is larger than the sum of its proper divisors (5653163).

61532053 is a wasteful number, since it uses less digits than its factorization.

61532053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 61532053 is about 7844.2369291092. The cubic root of 61532053 is about 394.7909014545.

Adding to 61532053 its reverse (35023516), we get a palindrome (96555569).

The spelling of 61532053 in words is "sixty-one million, five hundred thirty-two thousand, fifty-three".