55620037 has 8 divisors (see below), whose sum is σ = 60804000. Its totient is φ = 50457360.

The previous prime is 55620023. The next prime is 55620041. The reversal of 55620037 is 73002655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55620037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55619987 and 55620014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55620007) 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, 423 + ... + 10555.

It is an arithmetic number, because the mean of its divisors is an integer number (7600500).

Almost surely, 2^55620037 is an apocalyptic number.

It is an amenable number.

55620037 is a deficient number, since it is larger than the sum of its proper divisors (5183963).

55620037 is a wasteful number, since it uses less digits than its factorization.

55620037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10643.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 55620037 is about 7457.8842173903. The cubic root of 55620037 is about 381.7189827622.

The spelling of 55620037 in words is "fifty-five million, six hundred twenty thousand, thirty-seven".