53761620 has 48 divisors (see below), whose sum is σ = 164219328. Its totient is φ = 13032960.

The previous prime is 53761613. The next prime is 53761627. The reversal of 53761620 is 2616735.

It is an interprime number because it is at equal distance from previous prime (53761613) and next prime (53761627).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53761627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40069 + ... + 41388.

It is an arithmetic number, because the mean of its divisors is an integer number (3421236).

Almost surely, 2^53761620 is an apocalyptic number.

It is an amenable number.

53761620 is an abundant number, since it is smaller than the sum of its proper divisors (110457708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53761620 is a wasteful number, since it uses less digits than its factorization.

53761620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81480 (or 81478 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 53761620 is about 7332.2315839040. The cubic root of 53761620 is about 377.4193093913.

It can be divided in two parts, 5376 and 1620, that added together give a palindrome (6996).

The spelling of 53761620 in words is "fifty-three million, seven hundred sixty-one thousand, six hundred twenty".