55537735 has 16 divisors (see below), whose sum is σ = 73285632. Its totient is φ = 40068000.

The previous prime is 55537723. The next prime is 55537747. The reversal of 55537735 is 53773555.

It is an interprime number because it is at equal distance from previous prime (55537723) and next prime (55537747).

It is not a de Polignac number, because 55537735 - 2⁷ = 55537607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3010 + ... + 10960.

It is an arithmetic number, because the mean of its divisors is an integer number (4580352).

Almost surely, 2^55537735 is an apocalyptic number.

55537735 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55537735 is a deficient number, since it is larger than the sum of its proper divisors (17747897).

55537735 is a wasteful number, since it uses less digits than its factorization.

55537735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8094.

The product of its digits is 275625, while the sum is 40.

The square root of 55537735 is about 7452.3643899101. The cubic root of 55537735 is about 381.5306109338.

The spelling of 55537735 in words is "fifty-five million, five hundred thirty-seven thousand, seven hundred thirty-five".